Cannot using movie2avi in MATLAB

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Kelvin
Kelvin 2015-10-16
评论： Walter Roberson 2015-10-20
I am trying to use the movie2avi function in MATLAB. I simply copy the sample program in my MATLAB R2015a:
nFrames = 20;
% Preallocate movie structure.
mov(1:nFrames) = struct('cdata', [],...
'colormap', []);
% Create movie.
Z = peaks; surf(Z);
axis tight manual
set(gca,'nextplot','replacechildren');
for k = 1:nFrames
surf(sin(2*pi*k/20)*Z,Z)
mov(k) = getframe(gcf);
end
% Create AVI file.
movie2avi(mov, 'myPeaks.avi', 'compression', 'None');
But an error message appears:
Error using avi
Unexpected Error. Reason: Failed to open file.
Error in audiovideo.internal.aviwriter (line 168)
aviobj.FileHandle = avi('open',filename);
Error in movie2avi (line 63)
avimov = audiovideo.internal.aviwriter(filename,varargin{:});
Error in MakeMovie (line 36)
movie2avi(mov, 'myPeaks.avi', 'compression', 'None');
What's wrong here? Please help.

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回答（1 个）

Dinesh Iyer
Dinesh Iyer 2015-10-16
Can you check if the location you are attempting to write the file to has write permissions?
movie2avi is being deprecated. I would recommend using VideoWriter as it allows you the use of more modern compression methods such as MPEG-4, MJ200), MJPEG AVI.
See VideoWriter documentation for examples.
Hope this helps.
Dinesh
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Kelvin
Kelvin 2015-10-20
编辑：Walter Roberson 2015-10-20
I have typed this command and it shows:
Name: 'C:\Users\SupUsr\Desktop\Postdoctoral Research\DDFD\Practice'
archive: 0
system: 0
hidden: 0
directory: 1
UserRead: 1
UserWrite: 1
UserExecute: 1
GroupRead: NaN
GroupWrite: NaN
GroupExecute: NaN
OtherRead: NaN
OtherWrite: NaN
OtherExecute: NaN
It means that I can read and write in this directory. So what cause the error?
Walter Roberson
Walter Roberson 2015-10-20
I do not know for sure, but I suggest trying again in a directory that does not have a space in its name.

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